Although this blog is mostly a way to help me remember what I've read, you might enjoy the material too.
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.amazon.com/Wanted-Workers-Unraveling-Immigration-Narrative/dp/0393249018&ved=0ahUKEwiBodv37OPTAhVBj1QKHUnQD0QQFggcMAA&usg=AFQjCNH47QvX6gd17Xi0DFbqmNYGJT24jw&sig2=fGfa8XrAuP-fS_2hEgx7lg